Abstract

AbstractThe main objective of the present work is the development of a simplified, efficient and easy‐to‐implement single‐phase material model, which is able to describe the essential effects characterising the behaviour of multi‐phase saturated materials, such as of intervertebral discs (IVDs). The presented new model mainly focuses on extending a viscoelastic material model in order to not only take the mechanical behaviour of the solid part into account, but also the fluid‐flow‐dependent behaviour of the material. By applying this model, the complexity and constitutive parameters are reduced, the implementation is more convenient and the experimental investigations can be better supported in comparison to multi‐phase material models of IVDs. (© 2016 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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